Home / 725,764.50-1,001,589.18-403,479.97

Finding the Fourth Proportional to 725,764.50, 1,001,589.18 and 403,479.97

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Solution

The fourth proportional to 725,764.50, 1,001,589.18 and 403,479.97 is: 556,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,764.50 : 1,001,589.18 = 403,479.97 : x
  2. Step 2: Convert to fraction form
    725,764.50/1,001,589.18 = 403,479.97/x
  3. Step 3: Cross multiply
    725,764.50x = 1,001,589.18 × 403,479.97
  4. Step 4: Simplify right side
    725,764.50x = 404,121,172,298.73
  5. Step 5: Solve for x
    x = 404,121,172,298.73/725,764.50
  6. Step 6: Final answer
    x = 556,821.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.